On Friday, SpaceX is slated to launch Bangabandhu Satellite-1, Bangladesh’s first communications satellite. But Block 5 -- the souped-up SpaceX rocket carrying the satellite -- may be the real headliner.

SpaceX launched the world’s most powerful rocket from the Kennedy Space Center in Florida on Tuesday, a successful liftoff brought to fruition by Elon Musk’s private company. Science correspondent Miles O’Brien joins John Yang to discuss the historical launch and…

What did 2016 mean for science? Science correspondent Miles O’Brien sits down with William Brangham to discuss some of the more remarkable discoveries, innovations and setbacks this year, including the confirmation of one of Einstein's major predictions, the global outbreak…